Question discussion

A varies directly as B and inversely as C. When B = 25 and C = 18, then A = 20. If B = 35 and C = 16, then what is the value of A?

3608Medium DSSSB TGT Computer Science 0 replies 2 views
0

A varies directly as B and inversely as C. When B = 25 and C = 18, then A = 20. If B = 35 and C = 16, then what is the value of A?

  • A32
  • B31.5
  • C30
  • D32.5
Correct answer: B

Explanation

A = kB/C. 20 = k × 25/18 gives k = 14.4. A = 14.4 × 35/16 = 31.5.

Discussion 0

Nobody has replied yet. Start the discussion!